Smart hub wall charger



FIG. 1 is a front-top-right side perspective view of a smart hub wall charger of my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a left side view thereof.

The broken lines in the drawings are for the purpose of illustrating elements of the smart hub wall charger that form no part of the claimed design. 

CLAIM I claim the ornamental design for a smart hub wall charger, as shown and described. 